2018届高三英语总复习第一部分回归教材Unit5Themeparks课时作业新人教版必修

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1、Unit5ThemeparksⅠ.阅读理解(2016·四川高考)Awarmdrinkofmilkbeforebedhaslongbeenthebestchoiceforthosewantingagoodnight'ssleep.Butnowastudyhasfounditreallydoeshelppeoplenodoff—ifitismilkedfromacowatnight.Researchershavediscoveredthat“nightmilk”containsmoremelatonin(褪黑激素),whichhasbeenproventohelppeoplefeelsleepya

2、ndreduceanxiety.Thestudy,byresearchersfromSeoul,SouthKorea,involvedmicebeingfedwithdriedmilkpowdermadefromcowsmilkedbothduringthedayandatnight.Thosegivennightmilk,whichcontained10timestheamountofmelatonin,werelessactiveandlessanxiousthanthosefedwiththemilkcollectedduringdaytime,accordingtothestudypu

3、blishedinTheJournalofMedicinalFood.Nightmilkquickenedthestartofsleepandcausedthemicetosleeplonger.Whiletheeffectofcowsmilkharvestedatdifferenttimehasnotbeentestedonhumansuptonow,takingmelatonindrugshasbeensuggestedtothosewhoarestrugglingtofallasleepatnight.Previousstudieshavealsoindicatedthatmilkcan

4、beexcellentforhelpingsleepbecauseofthecalciumcontent,whichhelpspeopletorelax.Milkisalsosugarfreeandadditivefreewithnutritionistsrecommendingskimmedmilkasthebestchoicebeforebedasitistheleastfattening.Themorefatyoutakeinbeforebedtime,thegreaterburdenyouwillputonyourbodyatnight.1．Accordingtothetext,the

5、micefedwithdaytimemilk________.A．startedsleepmoreeasilyB．weremoreanxiousC．werelessactiveD．wokeuplater2．Whichofthefollowingistrueofmelatoninaccordingtothetext?A．It'sbeentestedonmicefortentimes.B．Itcanmakepeoplemoreenergetic.C．Itexistsinmilkingreatamount.D．It'susedinsleepingdrugs.3．Whatcanbeasuitablet

6、itleforthetext?A．NightMilkandSleep7B．Fat,SugarandHealthC．AnExperimentonMiceD．MilkDrinkingandHealth4．Howdoestheauthorsupportthethemeofthetext?A．Bygivingexamples.B．Bystatingarguments.C．Byexplainingstatisticaldata.D．Byprovidingresearchresults.答案与解析本文是一篇科普说明文。晚上睡前喝一杯热牛奶有助于睡眠是一个常识，那么睡前喝在夜间收集的牛奶对睡眠有哪些影响呢？

7、让我们一起来看看研究者的新发现吧。1．B　推理判断题。根据第四段可推知，喝了白天挤出来的牛奶的老鼠更活跃、更焦虑。故选B。2．D　推理判断题。根据关键句“takingmelatonin...atnight.”可推知，安眠类药品里含有褪黑激素。故选D。3．A　标题概括题。本文主要介绍了喝晚上挤出来的牛奶对睡眠的好处，因为晚上挤出来的牛奶中含有更多的褪黑激素，所以喝晚上挤出来的牛奶有助于睡眠，还能减轻